This handbook offers a practical guide for health psychologists seeking to develop and enhance their consultancy practice. Drawing on knowledge, skills and expertise of professionals in health across public, private and third sectors, it presents a robust framework enriched by 16 case studies and 11 perspectives on consultancy practice.

Featuring contributions from health psychologists, behavioural scientists, public health experts, and psychologists from other disciplines, the chapters illustrate how health psychology theory, evidence, and methods are applied through consultancy to real world health problems. Readers will explore consultancy processes including negotiation, contracting, managing and evaluating projects, with particular attention to ethical considerations and multidisciplinary collaboration. The book provides insights and practical strategies for meeting opportunities and challenges effectively.

Designed for health psychologists, trainee health psychologists, practice supervisors, educators and commissioners of consultancy in healthcare, this book is a must-read for anyone seeking to make a meaningful impact in health through consultancy.

Roseanna Brady is a Chartered Psychologist and health psychologist. She has over 30 years' experience as an independent consultant in business and healthcare including NHS teaching hospital trusts, local government, public health, health charities, and international private healthcare organisations.

Judit Varkonyi-Sepp  is a HCPC-registered Health Psychologist and a Chartered Scientist, a clinician and research speciality lead in the UK National Health Service physical health care. Judit has over 30 years' experience in providing and commissioning consultancy in health care and public health in private, public, third sector organisations and at local and regional government levels.

Jan Smith is a HCPC registered Practitioner Psychologist and Health Psychologist with the British Psychological Society (BPS). She works as a Lecturer in Psychology at Glasgow Caledonian University (GCU), which involves supporting the GCU Doctorate (DPsych) in Health Psychology, alongside Equality, Diversity and Inclusion (EDI) lead roles within her research, the BPS and GCU.